@inproceedings{Chandran:20,
author = {Sujith Chandran and Yusheng Bian and Paulo Moreira and Ajey Jacob and Marcus S. Dahlem and Yonas Gebregiorgis and Marios Papadovasilakis and Salim Alkaabi and Jaime Viegas and Michal Rakowski and Andy Stricker and Karen Nummy and Colleen Meagher and Bo Peng and Abu Thomas and Shuren Hu and Jan Petykiewicz and Dave Riggs and Ted Letavic and Anthony Yu and Ken Giewont and John Pellerin},
booktitle = {OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)},
keywords = {Beam shaping; Finite difference time domain; Light beams; Silicon photonics; Subwavelength gratings; Vortex beams},
publisher = {Optical Society of America},
title = {Ultra-Compact Waveguide Crossings using Cosine Tapers on a Monolithic Silicon Photonics Platform},
year = {2020},
url = {http://www.osapublishing.org/abstract.cfm?URI=IPRSN-2020-ITh3A.4},
doi = {10.1364/IPRSN.2020.ITh3A.4},
abstract = {A beam shaping approach has been implemented to realize high-performance waveguide crossings based on cosine tapers. Devices with a compact footprint of 4.7 {\textmu}m {\texttimes} 4.7 {\textmu}m are implemented on a GLOBALFOUNDRIES monolithic silicon photonics platform. Fabricated devices are found to be nearly wavelength-independent ({\textpm} 0.035 dB for 1260 nm $\leq$ $\lambda$ $\leq$ 1360 nm) with low insertion loss (~ 0.2 dB) and crosstalk (\< -35 dB). The measured response of the devices is consistent with simulation results obtained by 3D FDTD computations. The design stability is confirmed by measuring the device insertion loss over nine chips, which is found to be 0.197 {\textpm} 0.017 dB at the designed center wavelength of 1310 nm.},
}

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S.","Gebregiorgis, Y.","Papadovasilakis, M.","Alkaabi, S.","Viegas, J.","Rakowski, M.","Stricker, A.","Nummy, K.","Meagher, C.","Peng, B.","Thomas, A.","Hu, S.","Petykiewicz, J.","Riggs, D.","Letavic, T.","Yu, A.","Giewont, K.","Pellerin, J."],"bibdata":{"bibtype":"inproceedings","type":"inproceedings","author":[{"firstnames":["Sujith"],"propositions":[],"lastnames":["Chandran"],"suffixes":[]},{"firstnames":["Yusheng"],"propositions":[],"lastnames":["Bian"],"suffixes":[]},{"firstnames":["Paulo"],"propositions":[],"lastnames":["Moreira"],"suffixes":[]},{"firstnames":["Ajey"],"propositions":[],"lastnames":["Jacob"],"suffixes":[]},{"firstnames":["Marcus","S."],"propositions":[],"lastnames":["Dahlem"],"suffixes":[]},{"firstnames":["Yonas"],"propositions":[],"lastnames":["Gebregiorgis"],"suffixes":[]},{"firstnames":["Marios"],"propositions":[],"lastnames":["Papadovasilakis"],"suffixes":[]},{"firstnames":["Salim"],"propositions":[],"lastnames":["Alkaabi"],"suffixes":[]},{"firstnames":["Jaime"],"propositions":[],"lastnames":["Viegas"],"suffixes":[]},{"firstnames":["Michal"],"propositions":[],"lastnames":["Rakowski"],"suffixes":[]},{"firstnames":["Andy"],"propositions":[],"lastnames":["Stricker"],"suffixes":[]},{"firstnames":["Karen"],"propositions":[],"lastnames":["Nummy"],"suffixes":[]},{"firstnames":["Colleen"],"propositions":[],"lastnames":["Meagher"],"suffixes":[]},{"firstnames":["Bo"],"propositions":[],"lastnames":["Peng"],"suffixes":[]},{"firstnames":["Abu"],"propositions":[],"lastnames":["Thomas"],"suffixes":[]},{"firstnames":["Shuren"],"propositions":[],"lastnames":["Hu"],"suffixes":[]},{"firstnames":["Jan"],"propositions":[],"lastnames":["Petykiewicz"],"suffixes":[]},{"firstnames":["Dave"],"propositions":[],"lastnames":["Riggs"],"suffixes":[]},{"firstnames":["Ted"],"propositions":[],"lastnames":["Letavic"],"suffixes":[]},{"firstnames":["Anthony"],"propositions":[],"lastnames":["Yu"],"suffixes":[]},{"firstnames":["Ken"],"propositions":[],"lastnames":["Giewont"],"suffixes":[]},{"firstnames":["John"],"propositions":[],"lastnames":["Pellerin"],"suffixes":[]}],"booktitle":"OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)","keywords":"Beam shaping; Finite difference time domain; Light beams; Silicon photonics; Subwavelength gratings; Vortex beams","publisher":"Optical Society of America","title":"Ultra-Compact Waveguide Crossings using Cosine Tapers on a Monolithic Silicon Photonics Platform","year":"2020","url":"http://www.osapublishing.org/abstract.cfm?URI=IPRSN-2020-ITh3A.4","doi":"10.1364/IPRSN.2020.ITh3A.4","abstract":"A beam shaping approach has been implemented to realize high-performance waveguide crossings based on cosine tapers. Devices with a compact footprint of 4.7 \\textmum × 4.7 \\textmum are implemented on a GLOBALFOUNDRIES monolithic silicon photonics platform. Fabricated devices are found to be nearly wavelength-independent (\\textpm 0.035 dB for 1260 nm $≤$ $λ$ $≤$ 1360 nm) with low insertion loss (  0.2 dB) and crosstalk (< -35 dB). The measured response of the devices is consistent with simulation results obtained by 3D FDTD computations. The design stability is confirmed by measuring the device insertion loss over nine chips, which is found to be 0.197 \\textpm 0.017 dB at the designed center wavelength of 1310 nm.","bibtex":"@inproceedings{Chandran:20,\r\nauthor = {Sujith Chandran and Yusheng Bian and Paulo Moreira and Ajey Jacob and Marcus S. Dahlem and Yonas Gebregiorgis and Marios Papadovasilakis and Salim Alkaabi and Jaime Viegas and Michal Rakowski and Andy Stricker and Karen Nummy and Colleen Meagher and Bo Peng and Abu Thomas and Shuren Hu and Jan Petykiewicz and Dave Riggs and Ted Letavic and Anthony Yu and Ken Giewont and John Pellerin},\r\nbooktitle = {OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)},\r\nkeywords = {Beam shaping; Finite difference time domain; Light beams; Silicon photonics; Subwavelength gratings; Vortex beams},\r\npublisher = {Optical Society of America},\r\ntitle = {Ultra-Compact Waveguide Crossings using Cosine Tapers on a Monolithic Silicon Photonics Platform},\r\nyear = {2020},\r\nurl = {http://www.osapublishing.org/abstract.cfm?URI=IPRSN-2020-ITh3A.4},\r\ndoi = {10.1364/IPRSN.2020.ITh3A.4},\r\nabstract = {A beam shaping approach has been implemented to realize high-performance waveguide crossings based on cosine tapers. Devices with a compact footprint of 4.7 {\\textmu}m {\\texttimes} 4.7 {\\textmu}m are implemented on a GLOBALFOUNDRIES monolithic silicon photonics platform. Fabricated devices are found to be nearly wavelength-independent ({\\textpm} 0.035 dB for 1260 nm $\\leq$ $\\lambda$ $\\leq$ 1360 nm) with low insertion loss (~ 0.2 dB) and crosstalk (\\< -35 dB). The measured response of the devices is consistent with simulation results obtained by 3D FDTD computations. The design stability is confirmed by measuring the device insertion loss over nine chips, which is found to be 0.197 {\\textpm} 0.017 dB at the designed center wavelength of 1310 nm.},\r\n}\r\n\r\n\r\n\r\n","author_short":["Chandran, S.","Bian, Y.","Moreira, P.","Jacob, A.","Dahlem, M. 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